df$columnName <- NULLData$genome <- NULL> df <- data.frame(x=1:5, y=6:10, z=11:15, a=16:20)
> df <- subset (df, select = -c(x:z))
> df
a
1 16
2 17
3 18
4 19
5 20R> df[ , -which(names(df) %in% c("z","u"))]
x y
1 1 2
2 2 3
3 3 4
4 4 5
5 5 6
DT[, coltodelete := NULL]
# delete multiple columns in r
# delete column in R by mapping Null value to them
dataset$firstcol <- dataset$nextcol <- dataset$anothercol <- NULLdf <- df %>%
select(-column_to_drop)keeps <- c("y", "a")
DF[keeps]
undesired <- c('mpg', 'cyl', 'hp')
mtcars <- mtcars %>%
select(-one_of(undesired))
DataNAME$ColumnNAME <- NULL| Code Example |
|---|
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